State Bank Of India [SBI] — Account being debited with Rs 1000 for no reason.

Address:

2, Laden La Road, Darjeeling - 734101

My account has been debited with Rs 1013 without even giving me a reason for it. Apart from that a lien amount of Rs 1004 has been put on my account without even explaining the reason to me. I had sent my father to the Branch Office and the employee there told my father that they have cleared the lien amount but nothing was resolved. I should get a prior intimation if my account is being debited with some amount. Is this the kind of service SBI provides even though it is considered to be one of the biggest bank in the country? I want a refund of my amount and also my lien amount should be cleared as soon as possible.